Mailo - Mailo is an email client where you can send and receive emails to and from anyone with an email address.
Mr. Mail - MrMail offers flexible Zimbra Hosting packages suitable for everyone, from single home user to a...
HEY - Email at its best, new from Basecamp.
IONOS - IONOS, your digital partner for cloud solutions and web hosting, supporting your needs from websites, domains, servers, and more.
Horde - Horde Groupware is a free, enterprise ready, browser based collaboration suite.
Greatmail - Greatmail is an email hosting service provider built for businesses of all sizes.